The literature involving fuzzy Arrow results uses the same independence of irrelevant alternatives condition. We introduce three other types of independence of irrelevant alternative conditions and show that they can be profitably used in the examination of Arrow's theorem. We also generalize...

Much current research in political science focuses on the impact which political institutions have on policy outcomes. A substantial body of this ‘neo-institutional’ work, often organized around the question, ‘Do institutions matter?’, examines differences in the...